verb (v)

• start abruptly(verb.change)

  Synonym:
  erupt
  

  source: wordnet30
• begin suddenly and sometimes violently(verb.change)

  source: wordnet30
• move away or escape suddenly(verb.motion)

  Example:
  Nobody can break out--this prison is high security.
  

  Synonym:
  break, break away
  

  source: wordnet30
• take from stowage in preparation for use(verb.contact)

  source: wordnet30
• become raw or open(verb.change)

  Synonym:
  erupt, recrudesce
  

  source: wordnet30